发明人郑宇鹏,林芳,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112629460 A, 授权公告日 2017-03-16.
发明人胡光,林芳,钱学锋. "Method for the Synthesis of Ethyl 5-amino-3-methyl-1-benzothiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111916037 B, 授权公告日 2015-06-14.
Patel M V, Hughes D C, Kumar R. "A Process for Preparing High-Purity Ethyl 5-amino-3-methyl-1-benzothiophene-2-carboxylate" [P]. US Patent, US 9578958 B2, 2018-04-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 2123, (7), 9344-9372.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1426, (8), 9788-9795.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-3-methyl-1-benzothiophene-2-carboxylate Using HRMS and NMR". Talanta, 2015, 675, (4), 322-344.